How to simply confirm that all hardware has been successfully driven with freebsd?

I

Ilovehotdog

How to simply confirm that all hardware has been successfully driven with freebsd?

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After booting, read dmesg entirely to spot devices that aren't supported with a kernel module? At least, that's what I usually do. I think there are too many different possible problems that can happen to make any consistent detection program that finds all still not supported devices.
 
Another option is to look at pciconf -lv, but note that for some hardware you don't actually need a driver attached. You can at least verify all important (for you) hardware is recognized.

Code: 
% pciconf -lv
hostb0@pci0:0:0:0:      class=0x060000 rev=0x05 hdr=0x00 vendor=0x8086 device=0x4630 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    class      = bridge
    subclass   = HOST-PCI
vgapci0@pci0:0:2:0:     class=0x030000 rev=0x0c hdr=0x00 vendor=0x8086 device=0x4692 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S GT1 [UHD Graphics 730]'
    class      = display
    subclass   = VGA
pcib1@pci0:0:6:0:       class=0x060400 rev=0x05 hdr=0x01 vendor=0x8086 device=0x464d subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = '12th Gen Core Processor PCI Express x4 Controller'
    class      = bridge
    subclass   = PCI-PCI
none0@pci0:0:10:0:      class=0x118000 rev=0x01 hdr=0x00 vendor=0x8086 device=0x467d subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Platform Monitoring Technology'
    class      = dasp
pcib2@pci0:0:14:0:      class=0x010400 rev=0x00 hdr=0x00 vendor=0x8086 device=0x467f subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Volume Management Device NVMe RAID Controller'
    class      = mass storage
    subclass   = RAID
xhci0@pci0:0:20:0:      class=0x0c0330 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7ae0 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH USB 3.2 Gen 2x2 XHCI Controller'
    class      = serial bus
    subclass   = USB
none1@pci0:0:20:2:      class=0x050000 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7aa7 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH Shared SRAM'
    class      = memory
    subclass   = RAM
ig4iic0@pci0:0:21:0:    class=0x0c8000 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7acc subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH Serial IO I2C Controller'
    class      = serial bus
none2@pci0:0:22:0:      class=0x078000 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7ae8 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH HECI Controller'
    class      = simple comms
ahci0@pci0:0:23:0:      class=0x010601 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7ae2 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH SATA Controller [AHCI Mode]'
    class      = mass storage
    subclass   = SATA
pcib3@pci0:0:26:0:      class=0x060400 rev=0x11 hdr=0x01 vendor=0x8086 device=0x7ac8 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
pcib4@pci0:0:28:0:      class=0x060400 rev=0x11 hdr=0x01 vendor=0x8086 device=0x7ab8 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
pcib5@pci0:0:28:4:      class=0x060400 rev=0x11 hdr=0x01 vendor=0x8086 device=0x7abc subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH PCI Express Root Port'
    class      = bridge
    subclass   = PCI-PCI
isab0@pci0:0:31:0:      class=0x060100 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7a86 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    class      = bridge
    subclass   = PCI-ISA
ichsmb0@pci0:0:31:4:    class=0x0c0500 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7aa3 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH SMBus Controller'
    class      = serial bus
    subclass   = SMBus
none3@pci0:0:31:5:      class=0x0c8000 rev=0x11 hdr=0x00 vendor=0x8086 device=0x7aa4 subvendor=0x1043 subdevice=0x8694
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-S PCH SPI Controller'
    class      = serial bus
em1@pci0:0:31:6:        class=0x020000 rev=0x11 hdr=0x00 vendor=0x8086 device=0x1a1d subvendor=0x1043 subdevice=0x8672
    vendor     = 'Intel Corporation'
    device     = 'Ethernet Connection (17) I219-V'
    class      = network
    subclass   = ethernet
nvme0@pci0:1:0:0:       class=0x010802 rev=0x01 hdr=0x00 vendor=0x2646 device=0x5013 subvendor=0x2646 subdevice=0x5013
    vendor     = 'Kingston Technology Company, Inc.'
    device     = 'KC3000/FURY Renegade NVMe SSD [E18]'
    class      = mass storage
    subclass   = NVM
em0@pci0:4:0:0: class=0x020000 rev=0x00 hdr=0x00 vendor=0x8086 device=0x10d3 subvendor=0x8086 subdevice=0xa01f
    vendor     = 'Intel Corporation'
    device     = '82574L Gigabit Network Connection'
    class      = network
    subclass   = ethernet

Everything starting with 'none' has no driver. But, as I said, not everything actually needs one.
 
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